{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease"], "input": "Combined subtotal deficiency of C6 and C7 , in which both proteins are expressed at very low levels , has been observed in homozygous form in two families ."}
{"Disease": ["Combined subtotal deficiency of C6 and C7"]}